These holders are for use with QRS Discs and Disc Pads. Available in soft, medium, and hard. Holder is female threaded to receive any standard 1/4"-20 thread mandrel or our Roloc Disc Holder Mandrel.
| Country of Origin | United States of America |
| Diameter | 1" |
| Hardness | Medium |
| Max RPM | 30,000rpm |
| Shank Size | 1/4" |
